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II/365/catwise The CatWISE2020 catalog (Eisenhardt+, 2020)
The CatWISE2020 catalog (original column names in green) (1890715640 rows)
  -c=248.4886255 +23.6529222, eq=ICRS, rs=2
Post annotation about this record
ColumnValue  Explain   (UCD)
_r0.000 arcsec Distance from center (248.4886255+23.6529222)[ICRS] (pos.angDistance)
_RAJ200016 33 57.270120 "h:m:s" Right ascension (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.ra)
_DEJ2000+23 39 10.51992 "d:m:s" Declination (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.dec)
_RAB195016 31 50.719874 "h:m:s" Right ascension (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.ra)
_DEB1950+23 45 22.13878 "d:m:s" Declination (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.dec)
_Glon042.043654471 deg Galactic longitude (computed by VizieR, not part of the original data. The format may include more digits than the original data because of internal accuracy requirements in VizieR and across other CDS services) (pos.galactic.lon)
_Glat+40.028615055 deg Galactic latitude (computed by VizieR, not part of the original data. The format may include more digits than the original data because of internal accuracy requirements in VizieR and across other CDS services) (pos.galactic.lat)

source_id2477p242_b0-095979  (i) Tile name + processing code + wphot index (source_id) (meta.id)
ra248.4886255 deg (i) Right ascension (ICRS) (ra) (pos.eq.ra;meta.main)
sigra 0.4901 arcsec [0/74.3] Uncertainty in ra (sigra) (stat.error;pos.eq.ra)
dec+23.6529222 deg (i) Declination (ICRS) (dec) (pos.eq.dec;meta.main)
sigdec 0.5435 arcsec [0/83.3] Uncertainty in dec (sigdec) (stat.error;pos.eq.dec)
source_nameJ163357.27+233910.5  Source name (JHHMMSS.ss+DDMMSS.s; <CWISE JHHMMSS.ss+DDMMSS.s> in Simbad) (source_name) (meta.id;meta.main)
sigradec -0.1133 arcsec [-25.7/44.2] Uncertainty cross-term (sigradec) (stat.error)
wx 86.415 pix X-pixel coordinate in the unWISE full depth coadd (wx) (pos.cartesian.x)
wy 270.142 pix Y-pixel coordinate in the unWISE full depth coadd (wy) (pos.cartesian.y)
w1sky -0.22 ct [-98.2/4997] Frame sky background value, band-1; in dn units (w1sky) (Note 1)   (instr.background)
w1sigsk 4.0 ct [0.4/999] Frame sky background value uncertainty; band-1 (w1sigsk) (Note 1)   (stat.error)
w1conf 0.00 ct [0/999] Frame sky confusion based on the UNC images; in dn units (w1conf) (Note 1)   (instr.skyLevel)
w2sky 0.89 ct [-99/5000] Frame sky background value, band-2; in dn (w2sky) (Note 1)   (instr.background)
w2sigsk 13.0 ct [0.7/999] Frame sky background value uncertainty; band-2 (w2sigsk) (Note 1)   (stat.error)
w2conf 0.00 ct [0/999] Frame sky confusion based on the UNC images; in dn units (w2conf) (Note 1)   (instr.skyLevel)
MeanObsMJD56981.284781 MJD (i) [55205/58465] Mean observation epoch (MeanObsMJD) (time.epoch)
ra_pm248.4885800 deg Right ascension (ICRS) at Ep=2015.4 (ra_pm) (Note 2)   (pos.eq.ra)
sigra_pm 0.5155 arcsec [1e-4/99.94] Uncertainty in ra_pm (sigra_pm) (stat.error)
dec_pm 23.6528424 deg Declination (ICRS) at Ep=2015.4 (dec_pm) (Note 2)   (pos.eq.dec)
sigdec_pm 0.6046 arcsec [0/99.8] Uncertainty in dec_pm (sigdec_pm) (stat.error)
sigradec_pm -0.1359 arcsec [-99.2/99.9] Uncertainty cross-term (sigradec_pm) (stat.error)
PMRA -0.14015 arcsec/yr [-100/100] Motion in ra (PMRA) (Note 2)   (pos.pm;pos.eq.ra)
sigPMRA 0.1940 arcsec/yr [7e-4/1000] Uncertainty in PMRA (sigPMRA) (Note 2)   (stat.error;pos.pm;pos.eq.ra)
PMDec -0.65293 arcsec/yr [-100/100] Proper motion in dec (PMDec) (Note 2)   (pos.pm;pos.eq.dec)
sigPMDec 0.2320 arcsec/yr [7e-4/1000] Uncertainty in PMDec (sigPMDec) (Note 2)   (stat.error;pos.pm;pos.eq.dec)
w1snr_pm 6.3   [0/1000] Flux S/N ratio; band-1 (w1snr_pm) (stat.snr)
w2snr_pm 3.0   [0/1000] Flux S/N ratio; band-2 (w2snr_pm) (stat.snr)
w1flux_pm 3.7e+01 ct [-1.2e8/2e14] WPRO raw flux, band-1 (W1, 3.35um) in dn units (w1flux_pm) (phot.mag;em.IR.3-4um)
w1sigflux_pm 6e+00 ct [3.7e-4/3.5e12] WPRO raw flux uncertainty; band-1 (w1sigflux_pm) (stat.error)
w2flux_pm 5.8e+01 ct [-4.8e8/2e10] WPRO raw flux, band-2 (W2, 4.6um); in dn units (w2flux_pm) (phot.mag;em.IR.4-8um)
w2sigflux_pm 2e+01 ct [1e-4/3.2e13] Fit WPRO raw flux uncertainty; band-2 (w2sigflux_pm) (stat.error)
w1mpro_pm18.572 mag (i) [-10/27] WPRO magnitude in band-1 (W1: 3.35um) (w1mpro_pm) (Note 3)   (phot.mag;em.IR.3-4um)
w1sigmpro_pm 0.172 mag [0/0.6] W1mproPM uncertainty (w1sigmpro_pm) (stat.error)
w1rchi2_pm 6.935e-01   [8.3e-7/6.4e21] WPRO reduced chi2; band-1 (w1rchi2_pm) (stat.fit.chi2)
w2mpro_pm18.098 mag (i) [-10/25.5] WPRO magnitude in band-2 (W2: 4.6um) (w2mpro_pm) (Note 3)   (phot.mag;em.IR.4-8um)
w2sigmpro_pm 0.364 mag [0/0.6] W2mproPM uncertainty (w2sigmpro_pm) (stat.error)
w2rchi2_pm 8.830e-01   [2.6e-6/375600] WPRO reduced chi2; band-2 (w2rchi2_pm) (stat.fit.chi2)
rchi2_pm 7.827e-01   [8.3e-7/92260] Reduced chi squared; total (rchi2_pm) (stat.fit.chi2)
pmcode1N000  Quality of the PM solution (pmcode) (Note 4)   (meta.code.qual)
dist 0.348 arcsec (i) [0/20] Radial distance between apparitions (dist) (phys.angSize)
dw1mag 0.517 mag [-9.2/9.3] W1mpro difference (dw1mag) (phot.mag;arith.diff)
rch2w1 1.674   [0/100] Chi-square for dw1mag (1 DF) (rch2w1) (meta.note)
dw2mag-0.158 mag [-9.4/10.2] W2mpro difference (dw2mag) (phot.mag;arith.diff)
rch2w2 0.051   [0/100] Chi-square for dw2mag (1 DF) (rch2w2) (meta.note)
elon_avg241.641692 deg Averaged ecliptic longitude (elon_avg) (pos.ecliptic.lon)
elonSig 0.498 arcsec [0.001/1.6] One-sigma uncertainty in elon (elonSig) (stat.error)
elat_avg 44.997069 deg Averaged ecliptic latitude (elat_avg) (pos.ecliptic.lat)
elatSig 0.537 arcsec [0.001/1.7] One-sigma uncertainty in elat (elatSig) (stat.error)
Delon 0.288 arcsec Descending-ascending ecliptic longitude (Delon) (Note 5)   (pos;arith.diff)
DelonSig 1.075 arcsec [0.001/101.5] One-sigma uncertainty in Delon (DelonSig) (stat.error)
Delat 0.104 arcsec Descending-ascending ecliptic latitude (Delat) (pos;arith.diff)
DelatSig 1.175 arcsec [0.001/105.8] One-sigma uncertainty in Delat (DelatSig) (stat.error)
DelonSNR 0.268   [0/1065] |Delon|/DelonSig (DelonSNR) (stat.snr)
DelatSNR 0.088   [0/475] |Delat|/DelatSig (DelatSNR) (stat.snr)
chi2pmra 7.19e-03   [0/7.3e7] Chi-square for PMRA difference (1 DF) (chi2pmra) (meta.note)
chi2pmdec 2.84e+00   [0/2.2e8] Chi-square for PMRA difference (1 DF) (chi2pmdec) (meta.note)
ka3   [0123n] Astrometry usage code (Note 6)   (meta.code)
k13   [0123n] W1 photometry usage code (Note 6)   (meta.code)
k23   [0123n] W2 photometry usage code (Note 6)   (meta.code)
km3   [0123n] Proper motion usage code (Note 6)   (meta.code)
par_pm 0.112 arcsec [-831/569] Parallax from PM desc-asce elon (par_pm) (pos.parallax.trig)
par_pmSig 0.529 arcsec [0.001/53] One-sigma uncertainty in par_pm (par_pmSig) (stat.error)
par_stat 0.123 arcsec [-831/504] Parallax estimate from stationary solution (par_stat) (pos.parallax.trig)
par_sigma 0.590 arcsec [0.001/189] One-sigma uncertainty in par_stat (par_sigma) (stat.error)
dist_x  arcsec [0/2.75] Distance between CatWISE and AllWISE source (dist_x) (pos.angDistance)
cc_flags    [0DHOPdhop] Worst case 4 character cc_flag from AllWISE (cc_flags) (Note 7)   (meta.code)
ab_flags00   [0DHOP] Two character (W1 W2) artifact flag (ab_flags) (Note 7)   (meta.code)

WISEAWISEA  Display the allWISE data (II/328) within 3" (meta.ref.url)
  
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